LaunchServices Quarantine Events
Per-user SQLite log of every file downloaded through a quarantine-aware application (Safari, Chrome, Mail, AirDrop) with source URL and user agent.
Where to find it
Default filesystem paths and registry locations. Collect these with your preferred live-response or disk-image tooling.
- $~/Library/Preferences/com.apple.LaunchServices.QuarantineEventsV2
Forensic significance
Common scenarios in which this artifact becomes decisive evidence.
- Initial access — tracing a malicious download back to its URL
- Phishing — matching email attachments to delivery channel
- Supply-chain compromise — which app fetched the payload
MITRE ATT&CK mapping
Techniques this artifact can help detect or substantiate. Click a technique to view the official MITRE entry.
Tools that parse it
unJaena AI and other DFIR tools commonly used to extract evidence from this artifact.
Related artifacts
FSEvents
Per-volume filesystem change journal. Records creation, deletion, rename, and ownership changes for every file — the macOS analogue of USN journal.
KnowledgeC.db
CoreDuet database that logs per-user application focus, device lock/unlock, USB attach, battery, Bluetooth pairing, and Siri events — a macOS/iOS timeline goldmine.
TCC Database
Transparency, Consent, and Control SQLite database recording which applications were granted access to camera, microphone, contacts, photos, screen recording, and full-disk access.
Unified Logs
Apple's unified logging framework stores structured system, security, and application events in compressed .tracev3 files for roughly 30 days of retention.
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